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S405-e105 Connectr over I 405 & I 105 Conns

Los Angeles County, California · rated Fair in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

S405-e105 Connectr over I 405 & I 105 Conns in Los Angeles County, California, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1991, making it 34 years old at the 2025 inventory.
It carries about 26,000 vehicles a day (traffic count year 2019).
Its listed owner is the state highway agency.
It is one of 1,252 of the 3,549 inventoried bridges in Los Angeles County rated fair (35.3%); 94 (2.6%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Continuous prestressed concrete multiple box beam
Length	about 4,198 ft
Location	07-la-405-r21.51-haw
NBI structure number	53 2443F
Condition class	Fair

Source: FHWA National Bridge Inventory, 2025 data as reported by the California department of transportation.

Bridge	Built	Vehicles/day	Condition
State Route 60 over Prospectors Road	1970	339,000	Good
Route 60 over E60-n57 Connector Ramp	1970	339,000	Good
Interstate 110 over Washington Blvd	1954	300,000	Good
Interstate 110 over 37TH Street	1996	300,000	Good
Interstate 110 over Martin Luther King Jr Bl	1956	300,000	Good
Interstate 110 over Slauson Ave & BNSF Ry	1996	300,000	Poor